A SECRET WEAPON FOR ACRYLIC ENGRAVING

Notice that the above poster returned the amp due to the fact he read audible sound. The A50+ employs a unique TI amp chip (TPA3116) but I doubt that was the reason for the noise since the TPA3116 can measure really very well. As noted I do not listen to audible sound from my listening length on my setup.The Romans did not frequently attempt to con